2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.md.statistics.manager.impl;
11 import java.util.Collections;
12 import java.util.HashMap;
13 import java.util.List;
15 import java.util.Map.Entry;
17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
18 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
21 import org.opendaylight.controller.md.statistics.manager.StatRpcMsgManager.TransactionCacheContainer;
22 import org.opendaylight.controller.md.statistics.manager.StatisticsManager;
23 import org.opendaylight.controller.md.statistics.manager.StatisticsManager.StatDataStoreOperation;
24 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionAware;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueKey;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsDataBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsListener;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdate;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatistics;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatisticsBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMap;
43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
47 import com.google.common.base.Optional;
48 import com.google.common.base.Preconditions;
52 * org.opendaylight.controller.md.statistics.manager.impl
54 * StatNotifyCommitQueue
55 * Class is a NotifyListner for Queues Statistics
56 * All expected (registered) queueStatistics will be builded and
57 * commit to Operational/DataStore
59 * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
62 public class StatListenCommitQueue extends StatAbstractListenCommit<Queue, OpendaylightQueueStatisticsListener>
63 implements OpendaylightQueueStatisticsListener {
65 private final static Logger LOG = LoggerFactory.getLogger(StatListenCommitQueue.class);
67 public StatListenCommitQueue(final StatisticsManager manager, final DataBroker db,
68 final NotificationProviderService nps) {
69 super(manager, db, nps, Queue.class);
73 protected OpendaylightQueueStatisticsListener getStatNotificationListener() {
78 protected InstanceIdentifier<Queue> getWildCardedRegistrationPath() {
79 return InstanceIdentifier.create(Nodes.class).child(Node.class).child(NodeConnector.class)
80 .augmentation(FlowCapableNodeConnector.class).child(Queue.class);
84 public void onQueueStatisticsUpdate(final QueueStatisticsUpdate notification) {
85 final TransactionId transId = notification.getTransactionId();
86 final NodeId nodeId = notification.getId();
87 if ( ! isExpectedStatistics(transId, nodeId)) {
88 LOG.debug("STAT-MANAGER - QueueStatisticsUpdate: unregistred notification detect TransactionId {}", transId);
91 manager.getRpcMsgManager().addNotification(notification, nodeId);
92 if (notification.isMoreReplies()) {
96 /* Don't block RPC Notification thread */
97 manager.enqueue(new StatDataStoreOperation() {
99 public void applyOperation(final ReadWriteTransaction tx) {
101 final InstanceIdentifier<Node> nodeIdent = InstanceIdentifier.create(Nodes.class)
102 .child(Node.class, new NodeKey(nodeId));
104 /* Validate exist Node */
105 Optional<Node> fNode = Optional.absent();
107 fNode = tx.read(LogicalDatastoreType.OPERATIONAL, nodeIdent).checkedGet();
109 catch (final ReadFailedException e) {
110 LOG.debug("Read Operational/DS for Node fail! {}", nodeIdent, e);
112 if ( ! fNode.isPresent()) {
113 LOG.trace("Read Operational/DS for Node fail! Node {} doesn't exist.", nodeIdent);
117 /* Get and Validate TransactionCacheContainer */
118 final Optional<TransactionCacheContainer<?>> txContainer = getTransactionCacheContainer(transId, nodeId);
119 if ( ! isTransactionCacheContainerValid(txContainer)) {
122 /* Prepare List actual Queues and not updated Queues will be removed */
123 final List<NodeConnector> existConnectors = fNode.get().getNodeConnector() != null
124 ? fNode.get().getNodeConnector() : Collections.<NodeConnector> emptyList();
125 final Map<QueueKey, NodeConnectorKey> existQueueKeys = new HashMap<>();
126 for (final NodeConnector connect : existConnectors) {
127 final List<Queue> listQueues = connect.getAugmentation(FlowCapableNodeConnector.class).getQueue();
128 if (listQueues != null) {
129 for (final Queue queue : listQueues) {
130 existQueueKeys.put(queue.getKey(), connect.getKey());
134 /* Queue processing */
135 statQueueCommit(txContainer, tx, nodeIdent, existQueueKeys);
136 /* Delete all not presented Group Nodes */
137 deleteAllNotPresentedNodes(nodeIdent, tx, Collections.unmodifiableMap(existQueueKeys));
138 /* Notification for continue collecting statistics */
139 notifyToCollectNextStatistics(nodeIdent);
144 private void statQueueCommit(
145 final Optional<TransactionCacheContainer<?>> txContainer, final ReadWriteTransaction tx,
146 final InstanceIdentifier<Node> nodeIdent, final Map<QueueKey, NodeConnectorKey> existQueueKeys) {
148 Preconditions.checkNotNull(existQueueKeys);
149 Preconditions.checkNotNull(txContainer);
150 Preconditions.checkNotNull(nodeIdent);
151 Preconditions.checkNotNull(tx);
153 final List<? extends TransactionAware> cacheNotifs = txContainer.get().getNotifications();
154 for (final TransactionAware notif : cacheNotifs) {
155 if ( ! (notif instanceof QueueStatisticsUpdate)) {
158 final List<QueueIdAndStatisticsMap> queueStats = ((QueueStatisticsUpdate) notif).getQueueIdAndStatisticsMap();
159 if (queueStats == null) {
162 for (final QueueIdAndStatisticsMap queueStat : queueStats) {
163 if (queueStat.getQueueId() != null) {
164 final FlowCapableNodeConnectorQueueStatistics statChild =
165 new FlowCapableNodeConnectorQueueStatisticsBuilder(queueStat).build();
166 final FlowCapableNodeConnectorQueueStatisticsDataBuilder statBuild =
167 new FlowCapableNodeConnectorQueueStatisticsDataBuilder();
168 statBuild.setFlowCapableNodeConnectorQueueStatistics(statChild);
169 final QueueKey qKey = new QueueKey(queueStat.getQueueId());
170 final InstanceIdentifier<FlowCapableNodeConnectorQueueStatisticsData> queueStatIdent = nodeIdent
171 .child(NodeConnector.class, new NodeConnectorKey(queueStat.getNodeConnectorId()))
172 .augmentation(FlowCapableNodeConnector.class)
173 .child(Queue.class, qKey).augmentation(FlowCapableNodeConnectorQueueStatisticsData.class);
174 existQueueKeys.remove(qKey);
175 tx.put(LogicalDatastoreType.OPERATIONAL, queueStatIdent, statBuild.build());
181 private void deleteAllNotPresentedNodes(final InstanceIdentifier<Node> nodeIdent,
182 final ReadWriteTransaction tx, final Map<QueueKey, NodeConnectorKey> existQueueKeys) {
184 Preconditions.checkNotNull(nodeIdent);
185 Preconditions.checkNotNull(tx);
187 if (existQueueKeys == null) {
191 for (final Entry<QueueKey, NodeConnectorKey> entry : existQueueKeys.entrySet()) {
192 final InstanceIdentifier<Queue> queueIdent = nodeIdent.child(NodeConnector.class, entry.getValue())
193 .augmentation(FlowCapableNodeConnector.class).child(Queue.class, entry.getKey());
194 LOG.trace("Queue {} has to removed.", queueIdent);
195 Optional<Queue> delQueue = Optional.absent();
197 delQueue = tx.read(LogicalDatastoreType.OPERATIONAL, queueIdent).checkedGet();
199 catch (final ReadFailedException e) {
200 // NOOP - probably another transaction delete that node
202 if (delQueue.isPresent()) {
203 tx.delete(LogicalDatastoreType.OPERATIONAL, queueIdent);